CN112259864A - Soft package module, assembly process thereof and electric automobile - Google Patents
Soft package module, assembly process thereof and electric automobile Download PDFInfo
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- CN112259864A CN112259864A CN202011149331.3A CN202011149331A CN112259864A CN 112259864 A CN112259864 A CN 112259864A CN 202011149331 A CN202011149331 A CN 202011149331A CN 112259864 A CN112259864 A CN 112259864A
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- upper cover
- end plate
- cover body
- assembly
- soft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
- B60L50/64—Constructional details of batteries specially adapted for electric vehicles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0404—Machines for assembling batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The embodiment of the invention provides a soft package module, an assembly process of the soft package module and an electric automobile, and relates to the field of batteries. This soft packet of module includes electric core, casing subassembly, busbar and end plate subassembly. The shell assembly comprises a lower shell and an upper cover body, wherein the lower shell is provided with a bearing part, and the upper cover body is borne on the bearing part and welded with the bearing part. The number of the end plate assemblies comprises two, the two end plate assemblies are respectively positioned at two ends of the shell assembly and are connected with the lower shell and the upper cover body, and the lower shell, the upper cover body and the two end plate assemblies jointly enclose a sealed installation space. The quantity of electric core includes the multiunit, and multiunit electric core all sets up on casing down to be located installation space. The number of the bus bars comprises two bus bars, and the two bus bars are respectively positioned at two opposite ends of the installation space and are respectively electrically connected with the battery cell. The embodiment of the invention has the characteristic of convenient assembly, and is beneficial to reducing the assembly difficulty and improving the assembly efficiency.
Description
Technical Field
The invention relates to the field of batteries, in particular to a soft package module, an assembly process of the soft package module and an electric automobile.
Background
When the soft package module is assembled, the lower shell and the upper cover body are welded. In the prior art, the problem that the lower shell and the upper cover body are inconvenient to weld exists, the assembly difficulty is high, and the assembly efficiency is adversely affected.
Disclosure of Invention
The invention aims to provide a soft package module, an assembly process of the soft package module and an electric automobile, which have the characteristic of convenience in assembly and are beneficial to reducing the assembly difficulty and improving the assembly efficiency.
The embodiment of the invention is realized by the following steps:
in a first aspect, an embodiment of the present invention provides a soft package module, which includes a battery cell, a housing assembly, a bus bar, and an end plate assembly;
the shell assembly comprises a lower shell and an upper cover body, the lower shell is provided with a bearing part, and the upper cover body is borne on the bearing part and welded with the bearing part;
the number of the end plate assemblies comprises two, the two end plate assemblies are respectively positioned at two ends of the shell assembly and are connected with the lower shell and the upper cover body, and the lower shell, the upper cover body and the two end plate assemblies jointly enclose a sealed installation space;
the number of the battery cells comprises a plurality of groups, and the plurality of groups of the battery cells are all arranged on the lower shell and are positioned in the installation space;
the number of the bus bars comprises two, and the two bus bars are respectively positioned at two opposite ends of the installation space and are respectively electrically connected with the battery cell.
In an optional embodiment, the lower shell includes a bottom shell and two side shells, the two side shells are respectively disposed on two sides of the bottom shell, the bearing portions are respectively disposed on the two side shells, and the end plate assembly is connected to the bottom shell and the two side shells.
In an alternative embodiment, the bearing part comprises a bearing section and an extension section which are connected with each other, one end of the bearing section is arranged on the side shell and is bent relative to the side shell, and the extension section is bent relative to the bearing section; the upper cover body is supported on the bearing section.
In an optional embodiment, the upper cover includes a cover body and cover connection portions disposed at two opposite sides of the cover body, and the cover connection portions are supported by and connected to the supporting portion.
In an optional embodiment, the cover body connecting portion is provided with at least one first riveting hole, the carrier portion is provided with a second riveting hole, the first riveting hole is opposite to the second riveting hole, and the cover body connecting portion is further riveted with the carrier portion through the first riveting hole and the first riveting hole; and after riveting, the cover body connecting part is welded with the bearing part.
In an optional embodiment, the end plate assembly includes a plastic part and a metal part, the metal part is embedded in the plastic part, and the metal part is welded to the lower housing and the upper cover.
In optional implementation mode, be provided with positive negative pole output position on the working of plastics, soft packet of module is still set up the visor on the positive negative pole output position, the visor is used for covering to establish on the positive negative pole output position.
In an alternative embodiment, the protective cover is removably connected to the plastic member; or the protective cover is in sliding fit with the plastic part.
In a second aspect, an embodiment of the present invention provides an assembling process of a soft packing module, for assembling the soft packing module according to any one of the foregoing embodiments, where the assembling process includes:
a plurality of groups of the battery cells arranged side by side are arranged on the lower shell;
assembling the busbars at two opposite ends of the multiple groups of the battery cells respectively;
assembling the end plate assemblies at opposite ends of the lower case and connecting the lower case with the end plate assemblies;
and riveting the upper cover body to the bearing part of the lower shell, and welding the upper cover body and the bearing part after riveting.
In a third aspect, an embodiment of the present invention provides an electric vehicle, including the soft package module according to any one of the foregoing embodiments.
The embodiment of the invention provides a soft package module and an assembly process thereof, and an electric automobile: the lower shell of the soft package module is provided with a bearing part, and the bearing part is used for bearing the upper cover body; when the upper cover body is assembled on the lower shell body, the upper cover body can be firstly placed on the bearing part of the lower shell body, namely the upper cover body is borne on the bearing part. And then the upper cover body and the bearing part are welded, so that the upper cover body and the lower cover body are conveniently connected. The embodiment of the invention has the characteristic of convenient assembly, and is beneficial to reducing the assembly difficulty and improving the assembly efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a soft package module according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of the housing assembly of FIG. 1;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 4 is an enlarged view of the structure at C in FIG. 2;
FIG. 5 is an enlarged view of the structure at B in FIG. 1;
fig. 6 is a schematic block flow diagram of an assembly process of the soft packing module of fig. 1.
Icon: 100-soft package module; 110-electric core; 120-a housing assembly; 121-a lower shell; 1211-a carrier part; 1212-a bottom shell; 1213-side shell; 1214-a bearer segment; 1215-an extension; 1216-a second staking hole; 122-upper cover; 1221-a cap body; 1222-a cover connection; 1223-a first staking hole; 123-installation space; 130-a bus; 140-an end plate assembly; 143-positive and negative pole output positions; 144-protective cover.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 4, an embodiment of the invention provides a soft package module 100. The soft package module 100 can be applied to an electric vehicle, such as a new energy vehicle. The soft package module 100 provided by the embodiment of the invention has the characteristic of convenience in assembly, and is beneficial to reducing the assembly difficulty and improving the assembly efficiency.
In the embodiment of the present invention, the flexible packaging module 100 includes a battery cell 110, a housing assembly 120, a bus bar 130, and an end plate assembly 140. The housing assembly 120 includes a lower housing 121 and an upper cover 122, the lower housing 121 is provided with a bearing portion 1211, and the upper cover 122 is supported on the bearing portion 1211 and welded to the bearing portion 1211. The number of the end plate assemblies 140 includes two, the two end plate assemblies 140 are respectively located at two ends of the housing assembly 120, and are both connected with the lower housing 121 and the upper cover 122, and the lower housing 121, the upper cover 122 and the two end plate assemblies 140 jointly enclose a sealed installation space 123. The number of the battery cells 110 includes multiple groups, and the multiple groups of the battery cells 110 are all disposed on the lower casing 121 and are located in the installation space 123. The number of the bus bars 130 includes two, and the two bus bars 130 are respectively located at two opposite ends of the installation space 123 and are respectively electrically connected to the battery cells 110.
As shown in fig. 2, the soft package module 100 may further include a sampling circuit board, a wire harness isolation plate, foam, and other components, where the sampling circuit board is attached to the electric core 110 and is used to sample the temperature of the electric core 110; the sampling terminal of the sampling circuit board can be directly attached to the battery cell 110, so that the obtained temperature value is more accurate, and the condition of limited power use caused by the fact that the obtained temperature cannot accurately reflect the actual temperature of the battery cell 110 is avoided. The foam can be filled between the sampling terminal of the sampling circuit board and the upper cover 122, so as to keep the sampling terminal close to the battery cell 110, thereby improving the reliability of the temperature obtained by the sampling terminal. Of course, foam may also be filled between two adjacent battery cells 110 to absorb deformation of the battery cells 110 caused by thermal expansion. The harness isolation plate may facilitate the arrangement of the bus bar 130.
In the embodiment of the present invention, the bearing portion 1211 is used for bearing the upper cover 122; when assembling the upper cover 122 to the lower housing 121, the upper cover 122 may be first placed on the bearing portion 1211 of the lower housing 121, that is, the upper cover 122 is borne on the bearing portion 1211. The upper cover 122 and the carrying portion 1211 are welded to connect the upper cover 122 and the lower housing 121.
Of course, before welding, the relative positions of the upper cover 122 and the lower cover 121 may be kept fixed by a positioning or fixing structure, and after the upper cover 122 and the lower cover 121 are kept fixed, they are welded, so as to ensure the accuracy of welding.
In an alternative embodiment, the lower casing 121 may include a bottom casing 1212 and two side casings 1213, the two side casings 1213 are respectively disposed on two sides of the bottom casing 1212, the bearing portion 1211 is respectively disposed on the two side casings 1213, and the end plate assembly 140 is connected to the bottom casing 1212 and the two side casings 1213.
Optionally, the bottom housing 1212 and the two side housings 1213 generally enclose a U-shaped structure, the top opening of which may be sealed by the upper cover 122, and the openings at the two ends of which may be sealed by the two end plate assemblies 140 at the two ends. Providing the lower case 121 in a U-shaped structure may facilitate assembly of the battery cell 110 and welding with the upper cover 122 and the end plate assembly 140.
As shown in the drawings, the shape of the support portion 1211 is substantially L-shaped, and the overall shape of the support portion 1211 is substantially in a transverse zigzag shape after being connected to the side casing 1213. In an alternative embodiment, the bearing portion 1211 may include a bearing segment 1214 and an extension segment 1215, which are connected to each other, wherein one end of the bearing segment 1214 is disposed on the side casing 1213 and is bent relative to the side casing 1213, and the extension segment 1215 is bent relative to the bearing segment 1214; the upper cover 122 is supported on the supporting section 1214.
It should be understood that the carrying section 1214 is used for carrying the upper cover 122, so as to support the upper cover 122, and the extending section 1215 is connected to the carrying section 1214, so as to limit the position of the upper cover 122. Meanwhile, the extension 1215 may be riveted to the upper cap 122; when welding, the extension 1215 may be welded to the upper cap 122.
Meanwhile, it can also be understood that the bearing segments 1214 and the extension segments 1215 can be arranged by bending the side casing 1213. In an alternative embodiment, the lower casing 121 is a single plate, and is formed by bending the bottom casing 1212 and the two side casings 1213, and bending the two side casings 1213 into the carrying section 1214 and the extending section 1215 of the carrying portion 1211.
Further, the lower case 121 may be a stainless steel material; the upper cover 122 may be a stainless steel material. Of course, the lower case 121 and the upper case 122 may be made of other metal materials or alloy materials.
In an alternative embodiment, the upper cover 122 includes a cover body 1221 and cover connecting portions 1222 disposed at opposite sides of the cover body 1221, and the cover connecting portions 1222 are carried by the carrying portion 1211 and connected to the carrying portion 1211.
The upper cover 122 is substantially in the shape of an inverted 'concave'. The cover body 1221 and the cover connecting portion 1222 may be formed by a bending process.
Further, the cover connecting portion 1222 is provided with at least one first riveting hole 1223, the carrying portion 1211 is provided with a second riveting hole 1216, the first riveting hole 1223 is opposite to the second riveting hole 1216, and the cover connecting portion 1222 is riveted to the carrying portion 1211 through the first riveting hole 1223 and the first riveting hole 1223; after the caulking, the cover connecting portion 1222 is welded to the receiving portion 1211.
It should be noted that the second riveting hole 1216 is disposed on the extension 1215 of the bearing 1211, and is corresponding to the first riveting hole 1223, and the first riveting hole 1223 and the second riveting hole 1216 are riveted by a rivet, so that the upper cover 122 is riveted with the lower cover 121; after riveting, the upper cover 122 and the lower cover 121 are connected by welding. Wherein, the welding mode includes but not limited to: laser welding, and the like.
In an alternative embodiment, the end plate assembly 140 includes a plastic member and a metal member embedded in the plastic member, and the metal member is welded to the lower housing 121 and the upper cover 122.
It should be understood that the metal members may include a plurality of metal members, and the metal members are welded to the lower housing 121 and the upper cover 122, and may be disposed at positions of the plastic member corresponding to the lower housing 121 and the upper cover 122, such as at the upper lower side and the left and right sides of the plastic member, the left and right side metal members are welded to the side housing 1213, the lower side metal member is welded to the bottom housing 1212, and the upper side metal member is welded to the upper cover 122. The end plate assembly 140 can be welded to the housing assembly 120 by embedding the metal member on the plastic member, and meanwhile, the plastic member has the characteristic of difficult deformation, which is beneficial to ensuring the appearance of the soft packing module 100.
Referring to fig. 5, in an alternative embodiment, the plastic member is provided with positive and negative electrode output positions 143, and the soft package module 100 is further provided with a protective cover 144 at the positive and negative electrode output positions 143, where the protective cover 144 is used to cover the positive and negative electrode output positions 143.
Optionally, the protective cover 144 is removably connected to the plastic member; alternatively, the protective cover 144 is a sliding fit with the plastic member.
Optionally, a heat conducting structure adhesive may be disposed between the battery cell 110 and the lower casing 121, so that heat of the battery cell 110 is transferred to the lower casing 121 through the heat conducting adhesive, thereby achieving good heat dissipation of the battery cell 110, and simultaneously bonding the battery cell 110 and the lower casing 121 together.
An embodiment of the present invention provides an assembling process of a soft package module 100, for assembling the soft package module 100 according to any one of the foregoing embodiments, please refer to fig. 6.
Step S100: a plurality of groups of battery cells 110 arranged side by side are mounted on the lower casing 121;
it should be noted that, a plurality of sets of battery cells 110 arranged side by side may be bonded to two single battery cells 110 by double-sided adhesive tape or spray adhesive, and then the bonded battery cells 110 are attached with a thermal insulation material, and then the outer surfaces of the battery cells 110 at the beginning and the end are attached with buffer foam.
When the battery cell module is assembled to the lower casing 121, glue may be applied to the bottom case 1212 of the lower casing 121, and then a module composed of a plurality of sets of battery cells 110 is mounted on the bottom case 1212; the cushion foam is located between the battery cell 110 and the side casing 1213.
Step S200: the bus bars 130 are respectively assembled at opposite ends of the plurality of sets of the battery cells 110. The bus bar 130 may be welded to the tabs of the battery cells 110. Of course, before the bus bar 130 is welded, the wire harness isolation plate may be installed, and then the bus bar 130 may be welded to the outside of the wire harness isolation plate.
Step S300: end plate assemblies 140 are assembled at opposite ends of the lower case 121, and the lower case 121 is coupled to the end plate assemblies 140.
Optionally, the end plate assembly 140 is welded to the bottom case 1212 and the side case 1213 of the lower case 121.
Step S400: the upper lid 122 is caulked to the receiving portion 1211 of the lower case 121, and after the caulking, the upper lid 122 and the receiving portion 1211 are welded.
An embodiment of the present invention provides an electric vehicle, including the soft package module 100 according to any one of the foregoing embodiments. The electric automobile can be a new energy automobile and the like.
Referring to fig. 1 to fig. 6, in an embodiment of the present invention, a soft package module 100 and an assembly process thereof are provided, and an electric vehicle includes: the lower housing 121 of the soft package module 100 is provided with a bearing portion 1211, and the bearing portion 1211 is used for bearing the upper cover 122; when assembling the upper cover 122 to the lower housing 121, the upper cover 122 may be first placed on the bearing portion 1211 of the lower housing 121, that is, the upper cover 122 is borne on the bearing portion 1211. The upper cover 122 and the carrying portion 1211 are welded, so that the upper cover 122 and the lower housing 121 are easily connected. The embodiment of the invention has the characteristic of convenient assembly, and is beneficial to reducing the assembly difficulty and improving the assembly efficiency.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A soft package module is characterized by comprising a battery cell (110), a shell assembly (120), a bus bar (130) and an end plate assembly (140);
the shell assembly (120) comprises a lower shell (121) and an upper cover body (122), the lower shell (121) is provided with a bearing part (1211), and the upper cover body (122) is borne on the bearing part (1211) and welded with the bearing part (1211);
the number of the end plate assemblies (140) comprises two, the two end plate assemblies (140) are respectively positioned at two ends of the shell assembly (120) and are respectively connected with the lower shell (121) and the upper cover body (122), and the lower shell (121), the upper cover body (122) and the two end plate assemblies (140) jointly enclose a sealed installation space (123);
the number of the battery cells (110) comprises a plurality of groups, and the plurality of groups of the battery cells (110) are all arranged on the lower shell (121) and are positioned in the installation space (123);
the number of the bus bars (130) comprises two, and the two bus bars (130) are respectively located at two opposite ends of the installation space (123) and are respectively electrically connected with the battery cells (110).
2. The pouch module as set forth in claim 1, wherein the lower case (121) includes a bottom case (1212) and two side cases (1213), the two side cases (1213) being respectively disposed at both sides of the bottom case (1212), the bearing portions (1211) being respectively disposed on the two side cases (1213), and the end plate assembly (140) being connected to the bottom case (1212) and the two side cases (1213).
3. The soft packing module set according to claim 2, wherein the carrier (1211) comprises a carrier segment (1214) and an extension segment (1215) which are connected with each other, one end of the carrier segment (1214) is disposed on the side casing (1213) and is bent relative to the side casing (1213), and the extension segment (1215) is bent relative to the carrier segment (1214); the upper cover body (122) is carried on the carrying section (1214).
4. The soft packing module according to claim 2 or 3, wherein the upper cover (122) comprises a cover body (1221) and cover connecting portions (1222) disposed at opposite sides of the cover body (1221), the cover connecting portions (1222) being carried by the carrying portion (1211) and connected to the carrying portion (1211).
5. The soft-packing module according to claim 4, wherein the cover connecting part (1222) is provided with at least one first riveting hole (1223), the carrier part (1211) is provided with a second riveting hole (1216), the first riveting hole (1223) is opposite to the second riveting hole (1216), and the cover connecting part (1222) is further riveted to the carrier part (1211) through the first riveting hole (1223) and the first riveting hole (1223); and after riveting, the cover connecting part (1222) is welded with the bearing part (1211).
6. The micromodule of claim 1, wherein the end plate assembly (140) comprises a plastic part and a metal part embedded in the plastic part, and the metal part is welded to the lower housing (121) and the upper cover (122).
7. The soft packaging module according to claim 6, wherein positive and negative electrode output positions (143) are provided on the plastic member, and the soft packaging module (100) further comprises a protective cover (144) on the positive and negative electrode output positions (143), wherein the protective cover (144) is used for covering the positive and negative electrode output positions (143).
8. The soft packing module of claim 7, wherein the protective cover (144) is removably connected to the plastic member; alternatively, the protective cover (144) is a sliding fit with the plastic member.
9. Process for assembling a soft-packing module (100) according to any one of claims 1 to 8, characterized in that it comprises:
mounting a plurality of groups of the battery cells (110) arranged side by side on the lower shell (121);
assembling the bus bars (130) at two opposite ends of the plurality of groups of the battery cells (110) respectively;
fitting the end plate assemblies (140) at opposite ends of the lower case (121) and connecting the lower case (121) with the end plate assemblies (140);
the upper lid (122) is caulked to the bearing portion (1211) of the lower case (121), and after the caulking, the upper lid (122) and the bearing portion (1211) are welded.
10. An electric vehicle, characterized in that it comprises a soft-packing module (100) according to any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011149331.3A CN112259864A (en) | 2020-10-23 | 2020-10-23 | Soft package module, assembly process thereof and electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011149331.3A CN112259864A (en) | 2020-10-23 | 2020-10-23 | Soft package module, assembly process thereof and electric automobile |
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| CN112259864A true CN112259864A (en) | 2021-01-22 |
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| CN202011149331.3A Pending CN112259864A (en) | 2020-10-23 | 2020-10-23 | Soft package module, assembly process thereof and electric automobile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113097553A (en) * | 2021-03-08 | 2021-07-09 | 孚能科技(赣州)股份有限公司 | Method for assembling battery pack |
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